$ umount /media/backup 
*** buffer overflow detected ***: /sbin/umount.hal terminated
======= Backtrace: =========
/lib/libc.so.6(__fortify_fail+0x37)[0x7f80cd9dcec7]
/lib/libc.so.6(+0xe4d20)[0x7f80cd9dad20]
/lib/libc.so.6(+0xe539b)[0x7f80cd9db39b]
/sbin/umount.hal(main+0xaa)[0x400f5a]
/lib/libc.so.6(__libc_start_main+0xfd)[0x7f80cd914bbd]
/sbin/umount.hal[0x400de9]
======= Memory map: ========
00400000-00402000 r-xp 00000000 08:02 235803                             /sbin/umount.hal
00601000-00602000 r--p 00001000 08:02 235803                             /sbin/umount.hal
00602000-00603000 rw-p 00002000 08:02 235803                             /sbin/umount.hal
006a5000-006c6000 rw-p 00000000 00:00 0                                  [heap]
7f80cd2ba000-7f80cd2d0000 r-xp 00000000 08:02 359213                     /lib64/libgcc_s.so.1
7f80cd2d0000-7f80cd4cf000 ---p 00016000 08:02 359213                     /lib64/libgcc_s.so.1
7f80cd4cf000-7f80cd4d0000 r--p 00015000 08:02 359213                     /lib64/libgcc_s.so.1
7f80cd4d0000-7f80cd4d1000 rw-p 00016000 08:02 359213                     /lib64/libgcc_s.so.1
7f80cd4d1000-7f80cd4d9000 r-xp 00000000 08:02 358884                     /lib64/librt-2.11.so
7f80cd4d9000-7f80cd6d8000 ---p 00008000 08:02 358884                     /lib64/librt-2.11.so
7f80cd6d8000-7f80cd6d9000 r--p 00007000 08:02 358884                     /lib64/librt-2.11.so
7f80cd6d9000-7f80cd6da000 rw-p 00008000 08:02 358884                     /lib64/librt-2.11.so
7f80cd6da000-7f80cd6f1000 r-xp 00000000 08:02 359200                     /lib64/libpthread-2.11.so
7f80cd6f1000-7f80cd8f0000 ---p 00017000 08:02 359200                     /lib64/libpthread-2.11.so
7f80cd8f0000-7f80cd8f1000 r--p 00016000 08:02 359200                     /lib64/libpthread-2.11.so
7f80cd8f1000-7f80cd8f2000 rw-p 00017000 08:02 359200                     /lib64/libpthread-2.11.so
7f80cd8f2000-7f80cd8f6000 rw-p 00000000 00:00 0 
7f80cd8f6000-7f80cda46000 r-xp 00000000 08:02 359210                     /lib64/libc-2.11.so
7f80cda46000-7f80cdc45000 ---p 00150000 08:02 359210                     /lib64/libc-2.11.so
7f80cdc45000-7f80cdc49000 r--p 0014f000 08:02 359210                     /lib64/libc-2.11.so
7f80cdc49000-7f80cdc4a000 rw-p 00153000 08:02 359210                     /lib64/libc-2.11.so
7f80cdc4a000-7f80cdc4f000 rw-p 00000000 00:00 0 
7f80cdc4f000-7f80cdc90000 r-xp 00000000 08:02 368392                     /usr/lib64/libdbus-1.so.3.5.0
7f80cdc90000-7f80cde8f000 ---p 00041000 08:02 368392                     /usr/lib64/libdbus-1.so.3.5.0
7f80cde8f000-7f80cde90000 r--p 00040000 08:02 368392                     /usr/lib64/libdbus-1.so.3.5.0
7f80cde90000-7f80cde91000 rw-p 00041000 08:02 368392                     /usr/lib64/libdbus-1.so.3.5.0
7f80cde91000-7f80cde9b000 r-xp 00000000 08:02 369860                     /usr/lib64/libhal-storage.so.1.0.0
7f80cde9b000-7f80ce09a000 ---p 0000a000 08:02 369860                     /usr/lib64/libhal-storage.so.1.0.0
7f80ce09a000-7f80ce09b000 r--p 00009000 08:02 369860                     /usr/lib64/libhal-storage.so.1.0.0
7f80ce09b000-7f80ce09c000 rw-p 0000a000 08:02 369860                     /usr/lib64/libhal-storage.so.1.0.0
7f80ce09c000-7f80ce0ac000 r-xp 00000000 08:02 370085                     /usr/lib64/libhal.so.1.0.0
7f80ce0ac000-7f80ce2ab000 ---p 00010000 08:02 370085                     /usr/lib64/libhal.so.1.0.0
7f80ce2ab000-7f80ce2ac000 r--p 0000f000 08:02 370085                     /usr/lib64/libhal.so.1.0.0
7f80ce2ac000-7f80ce2ad000 rw-p 00010000 08:02 370085                     /usr/lib64/libhal.so.1.0.0
7f80ce2ad000-7f80ce2cb000 r-xp 00000000 08:02 359187                     /lib64/ld-2.11.so
7f80ce4ad000-7f80ce4b2000 rw-p 00000000 00:00 0 
7f80ce4c9000-7f80ce4ca000 rw-p 00000000 00:00 0 
7f80ce4ca000-7f80ce4cb000 r--p 0001d000 08:02 359187                     /lib64/ld-2.11.so
7f80ce4cb000-7f80ce4cc000 rw-p 0001e000 08:02 359187                     /lib64/ld-2.11.so
7f80ce4cc000-7f80ce4cd000 rw-p 00000000 00:00 0 
7fff70842000-7fff70858000 rw-p 00000000 00:00 0                          [stack]
7fff70906000-7fff70907000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]